(1)∵|-
8
9 |=
8
9 ,|-
9
10 |=
9
10 ,
9
10 >
8
9 ,
∴-
8
9 >-
9
10 ;
(2)-(+99)=-99,-(-|-98|)=98,
∴-(+99)<-(-|-98|),
故答案为:(1)>;(2)<
(1)∵|-
8
9 |=
8
9 ,|-
9
10 |=
9
10 ,
9
10 >
8
9 ,
∴-
8
9 >-
9
10 ;
(2)-(+99)=-99,-(-|-98|)=98,
∴-(+99)<-(-|-98|),
故答案为:(1)>;(2)<